It has been proposed by hour glass shaped nude women that the evolutionary reason for the female body shape is due in part to this sexual selection. Fat distribution occurs in women because estrogen lessens the adipose distribution to the abdominal region and stimulates fat growth in the gluteofemoral region. Sex hormones play an important role in specific regions of the body helping with the regulation and accumulation of fat. This may be a reflection of the female style of the day: The World Has Curves: This is most easily visible in paintings of nudes from the time. This well-known historical attempt at changing a woman's body shape — hour glass shaped nude women of the waist Celebrity xxx games make an hourglass figure — had lasting effects on the skeleton, deforming the ribs and misaligning the spine.